Method and apparatus for manufacturing optical card

Details Method and apparatus for manufacturing optical card Method and apparatus for manufacturing optical card

1988-12-29

1990-06-05

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156656, 1566611, 156345, 21912185, 430321, 430323, 430945, B44C 122, C23F 102, C03C 1500, B29C 3700

Patent

active

049311387

ABSTRACT:
The invention relates to a method of recording a data signal on an optical card having a photosensitive layer applied on a metal layer. A number of light beams are emitted from a number of light sources such as semiconductor laser diodes and thin film electroluminescent elements, each light source being selectively driven in accordance with the data signal to be recorded. The light beams are simultaneously made incident upon the photosensitive layer via a projection optical system such as optical fibers and lenses, while the optical card is moved in a longitudinal direction of the optical card. The recording light beams are aligned in a width direction perpendicular to the longitudinal direction.

REFERENCES:
patent: 3944357 (1976-03-01), Wacks
patent: 4552614 (1985-11-01), Beckett
patent: 4552829 (1985-11-01), Masaki

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